Air Quality in Knoxville, United States
Rain
21.5°C · 98.0% humidity
21.5°
Feels 21.5°
49
Good
Air quality is satisfactory. Enjoy outdoor activities.
3 stations
Nearby Monitoring Stations
Knoxville's air quality — share it
AQI Forecast
Calibrated
45
4pm
49
26
49
7pm
45
43
41
10pm
39
38
38
1am
37
30
30
4am
29
29
29
7am
29
29
29
10am
29
27
27
1pm
27
27
Station readings
45
49
26
24
CAMS model
adj +2
34
34
34
34
34
34
34
34
34
34
34
27
27
27
27
27
27
27
27
27
25
25
25
25
Air Quality Index Trend
29h · 2 stnKnoxville's air quality is primarily affected by vehicle emissions and industrial activity. Seasonal wildfire smoke and weather patterns can cause periodic air quality deterioration.
98.0%
Humidity
28.6 km/h
Wind SSE
1013.8 hPa
Pressure
4.4
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
11.77 µg/m³
PM10
13.7 µg/m³
050100150200300500
What is the weather forecast for Knoxville?
Temperature & Precipitation
PM2.5 Trend
29h · 2 stationsPM2.511.77 µg/m³
✓ WHO
Good
PM1013.7 µg/m³
Good
UV INDEX4.4
Moderate
Station readings (3 stations within 25 km)
11.77
Median
10.87
Average
7.7
Low
13.1
High
PM2.5 µg/m³ · Model: 7.35 · Bias: -4.4
What is the 7-day forecast for Knoxville?
08-03
29.4° 20.7°
4.69 mm
08-04
33.6° 20.5°
0.5 mm
08-05
32.1° 16.6°
3.5 mm
08-06
33.7° 21.9°
3.0 mm
08-07
33.5° 20.2°
3.06 mm
08-08
33.9° 22.3°
2.12 mm
08-09
32.6° 21.7°
0.94 mm
Both models agree
Avg diff: 2.7°C
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-08-07T23:59 UTC.